A system and method for real-time monitoring of the aging degree of a surge protector

Abstract

The application provides a surge protector aging degree real-time monitoring system and method, the surge protector aging real-time monitoring system comprises: a first acquisition module, which is used for acquiring a first aging coefficient alpha according to the ambient temperature of a target SPD unit; a second acquisition module, which is used for acquiring a second aging coefficient beta according to the ambient humidity of the target SPD unit; a third acquisition module, which is used for acquiring a third aging coefficient lambda according to the lightning strike number and the lightning strike intensity suffered by the target SPD unit; and an aging calculation module, which is used for calculating the aging degree of the target SPD unit according to the first aging coefficient alpha, the second aging coefficient beta and the third aging coefficient. Through quantitative calculation of the aging degree of the target SPD unit, the application facilitates real-time monitoring of the aging degree of the SPD unit and provides various reference standards for monitoring and maintenance of the SPD unit.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surge protectors, in particular to a surge protector aging degree real-time monitoring system and method. BACKGROUND

[0002] A surge protector, also known as a lightning protector or a surge protector, is an electronic device that provides safety protection for various electronic devices, instruments, communication lines. With the increase of use time, the surge protector will have aging problems, which will affect the working performance, and in severe cases, will cause fire and explosion problems. Therefore, it is particularly necessary to monitor the aging degree of the surge protector in real time.

[0003] A Chinese invention patent with application number CN201410498194.2 discloses a method and system for determining the degradation degree of a surge protector SPD, which can monitor the leakage current of the SPD and determine the degradation degree of the SPD through the change of the leakage current, thereby realizing online real-time monitoring of SPD failure and determining the degradation degree. For example, a Chinese invention patent with application number CN201610102866.2 discloses a surge protector aging failure early warning method based on temperature distribution, which can solve the problem that the current surge protector can only be passively detected and replaced after failure and cannot be early warned. For example, a Chinese invention patent with application number CN202010283776.4 discloses a surge protector aging degradation intelligent analyzer and method, which can one-key measure the forward and reverse voltage of the surge protector and the leakage current, thereby intelligently analyzing the aging degradation of the surge protector.

[0004] Therefore, there are many unproposed technical solutions for the many technical problems of the aging degree of the surge protector that need to be solved in practical applications. SUMMARY

[0005] Therefore, in order to better monitor the aging degree of the surge protector, the present application provides a surge protector aging degree real-time monitoring system and method, and the specific technical solutions are as follows:

[0006] A surge protector aging degree real-time monitoring system includes a first acquisition module, a second acquisition module, a third acquisition module, and an aging calculation module.

[0007] The first acquisition module is used to acquire a first aging coefficient according to the environmental temperature of the target SPD unit ; the second acquisition module is used to acquire a second aging coefficient according to the environmental humidity of the target SPD unit .

[0008] The third acquisition module is configured to acquire a third aging coefficient according to the number of lightning strikes and the lightning strike intensity suffered by the target SPD unit The aging calculation module is configured to calculate the aging degree of the target SPD unit according to the first aging coefficient , the second aging coefficient and the third aging coefficient.

[0009] The surge protector aging degree real-time monitoring system can calculate the aging degree of the target SPD unit caused by the environmental temperature, the environmental humidity, the number of lightning strikes and the lightning strike intensity, and can calculate the relationship between the different temperature ranges, the use time and the aging degree, the different humidity ranges, the use time and the aging degree, and the different number of lightning strikes, the lightning strike intensity and the aging degree. The aging degree of the target SPD unit is quantitatively calculated, the aging degree of the SPD unit is conveniently monitored in real time, and various reference standards are provided for the monitoring and maintenance of the SPD unit.

[0010] Further, the surge protector aging degree real-time monitoring system further comprises a fourth acquisition module, a fifth acquisition module and a sixth acquisition module.

[0011] The fourth acquisition module is configured to acquire a first function curve between the use time and the aging degree of the standard SPD unit in different temperature ranges The fifth acquisition module is configured to acquire a second function curve between the use time and the aging degree of the standard SPD unit in different humidity ranges The sixth acquisition module is configured to acquire a third aging degree corresponding to different lightning strike intensity ranges of the standard SPD unit.

[0012] Further, the surge protector aging degree real-time monitoring system further comprises a client.

[0013] The client is configured to display the aging degree of the target SPD unit according to a data display instruction.

[0014] The data display instruction comprises a first display instruction, a second display instruction and a third display instruction.

[0015] Further, a surge protector aging degree real-time monitoring method applied to the surge protector aging degree real-time monitoring system comprises the following steps:

[0016] acquiring a first aging coefficient according to the environmental temperature of the target SPD unit;

[0017] acquiring a second aging coefficient according to the environmental humidity of the target SPD unit;

[0018] According to the number of lightning strikes and the intensity of lightning strikes suffered by the target SPD unit, a third aging coefficient is obtained;

[0019] According to the first aging coefficient, the second aging coefficient, and the third aging coefficient, the aging degree of the target SPD unit is calculated.

[0020] Further, the specific method for obtaining the first aging coefficient according to the ambient temperature of the target SPD unit includes the following steps:

[0021] The ambient temperature of the target SPD unit is collected at a first preset frequency to obtain a plurality of ambient temperature values According to a plurality of different temperature ranges, the plurality of ambient temperature values are classified, and the total use time of the classified plurality of ambient temperature values is calculated respectively ;

[0022] A first function curve between the use time and the aging degree of the standard SPD unit at different temperature ranges is obtained ;

[0023] According to the total use time of the classified plurality of ambient temperature values and the first function curve , the first aging coefficient is calculated .

[0024] Further, the specific method for obtaining the first function curve between the use time and the aging degree of the standard SPD unit at different temperature ranges includes the following steps:

[0025] The standard SPD unit is placed in the same temperature range, and a plurality of different use times of the standard SPD unit and aging degree values corresponding to the plurality of different use times are obtained;

[0026] After fitting according to the plurality of different use times and the corresponding aging degree values, a first function curve between the use time and the aging degree is obtained .

[0027] Further, the real-time monitoring method of the aging degree of the surge protector further includes the following steps:

[0028] The client obtains a data display instruction;

[0029] The client displays the aging degree of the target SPD unit according to the data display instruction;

[0030] The display instruction includes a first display instruction, a second display instruction, and a third display instruction.

[0031] Further, a computer readable storage medium is provided, which stores a computer program. When the computer program is executed by a processor, the computer program realizes the method for monitoring the aging degree of a surge protection device in real time according to any one of claims 4-7. BRIEF DESCRIPTION OF DRAWINGS

[0032] The present application can be further understood from the following description in conjunction with the drawings. The components in the drawings are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the embodiments. In different views, identical reference numerals designate corresponding parts.

[0033] Figure 1 is a schematic diagram of the overall flow of a method for monitoring the aging degree of a surge protection device in real time according to an embodiment of the present application. DETAILED DESCRIPTION

[0034] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application is further described in detail below in conjunction with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the scope of protection of the present application.

[0035] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right", and the like are used for explanation purposes only and are not intended to limit the present application.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0037] The terms "first", "second", etc. used in the present application do not represent a specific number and order, but are only used for distinguishing names.

[0038] A system for monitoring the aging degree of a surge protection device in real time according to an embodiment of the present application includes a first acquisition module, a second acquisition module, a third acquisition module, and an aging calculation module.

[0039] The first acquisition module is configured to acquire a first aging coefficient according to the ambient temperature of a target SPD (Surge Protection Device). The second acquisition module is used to obtain the second aging coefficient based on the ambient humidity of the target SPD unit. The third acquisition module is used to obtain the third aging coefficient based on the number and intensity of lightning strikes suffered by the target SPD unit. .

[0040] Specifically, the first acquisition module is used to collect the ambient temperature of the target SPD unit at a first preset frequency to obtain multiple ambient temperature values. Based on multiple preset temperature ranges, multiple ambient temperature values ​​are applied. Classify the data and calculate the multiple ambient temperature values ​​for each classification. Total usage time .in, This represents the number of multiple ambient temperature values.

[0041] The real-time monitoring system for the aging degree of surge protectors also includes a fourth acquisition module, which is used to acquire the first function curve of the relationship between usage time and aging degree of a standard SPD unit at different temperature ranges. Different temperature ranges correspond to different first function curves. .

[0042] The method for obtaining the first function curve of the relationship between usage time and aging degree of a standard SPD unit at different temperature ranges includes the following steps: placing the standard SPD unit within the same temperature range, obtaining multiple different usage times of the standard SPD unit and the corresponding aging degree values, and fitting the multiple different usage times and corresponding aging degree values ​​to obtain the first function curve of the relationship between usage time and aging degree. .

[0043] The aging degree values ​​corresponding to different usage times can be determined using varistors and leakage current. Alternatively, other methods can be used to obtain the aging degree values ​​of a standard SPD unit at different usage times. Since obtaining the aging degree values ​​of SPD units is a conventional technique in this field, it will not be elaborated upon here.

[0044] Obtain the first function curve of the relationship between service time and aging degree for a standard SPD unit at different temperature ranges. Based on multiple environmental temperature values ​​after classification Total usage time and the first function curve Calculate the first aging factor .

[0045] The second acquisition module is configured to collect the environmental humidity of the target SPD unit at a second preset frequency to obtain a plurality of environmental humidity values. The plurality of environmental humidity values are classified according to a plurality of different humidity ranges, and the total use time of the classified plurality of environmental humidity values is calculated. is the number of the plurality of environmental humidity values.

[0046] The surge protection device aging degree real-time monitoring system further comprises a fifth acquisition module configured to obtain a second function curve between the use time and the aging degree of a standard SPD unit in different humidity ranges. Different humidity ranges correspond to different second function curves.

[0047] The method for obtaining the second function curve between the use time and the aging degree of the standard SPD unit in different humidity ranges comprises the following steps: placing the standard SPD unit in the same humidity range, obtaining a plurality of different use times of the standard SPD unit and the aging degree values corresponding to the plurality of different use times, and fitting the plurality of different use times and the corresponding aging degree values to obtain the second function curve between the use time and the aging degree.

[0048] The second function curve between the use time and the aging degree of the standard SPD unit in different humidity ranges is obtained, and the second aging coefficient is calculated according to the total use time of the classified plurality of environmental humidity values and the second function curve.

[0049] The division of different temperature ranges and different humidity ranges is to better obtain the aging degree caused by different temperatures and different humidities to the SPD unit. That is, the use time of the SPD unit in different environmental temperature and humidity is different, and the aging degree caused is also different.

[0050] By placing a plurality of standard SPD units in different temperature ranges and different temperature ranges to obtain the function curve between the use time and the aging degree, the relationship between the different temperature ranges, the use time and the aging degree, and the different humidity ranges, the use time and the aging degree can be calculated to a certain extent, so as to quantitatively calculate the aging degree of the target SPD unit, facilitate the real-time monitoring of the aging degree of the SPD unit, and provide a reference standard for the monitoring and maintenance of the SPD unit. ​​​​​​​​​​

[0051] The different temperature ranges and different humidity ranges described above can be set according to actual needs, and will not be described here.

[0052] The surge protection device aging degree real-time monitoring system further comprises a sixth acquisition module configured to acquire a third aging degree of a standard SPD unit corresponding to different lightning intensity ranges.

[0053] Specifically, the standard SPD unit can be subjected to multiple lightning aging tests, and in the multiple lightning aging tests, the lightning intensity applied to the standard SPD unit belongs to the same lightning intensity range. The aging degree of the standard SPD unit after each lightning aging test is calculated, and the average value of the aging degree of the standard SPD unit under multiple lightning aging times is calculated to obtain the aging degree value of the standard SPD unit caused by each lightning in a certain lightning intensity range. The standard SPD unit is subjected to different lightning intensity ranges and the above aging test is repeated to obtain the aging degree value of the standard SPD unit caused by each lightning in different lightning intensity ranges. According to the aging degree value of the standard SPD unit caused by each lightning The third aging coefficient is calculated . Among them, is the number of times of lightning.

[0054] The aging calculation module is configured to calculate the aging degree according to the first aging coefficient , the second aging coefficient and the third aging coefficient

[0055] Specifically, the aging degree can be calculated according to the formula That is, the maximum value of the first aging coefficient , the second aging coefficient and the third aging coefficient is selected as the aging degree of the target SPD unit.

[0056] Of course, the average value of the first aging coefficient , the second aging coefficient and the third aging coefficient can also be used as the aging degree of the target SPD unit.

[0057] In addition, the cumulative value of the first aging coefficient , the second aging coefficient and the third aging coefficient can also be used as the aging degree of the target SPD unit.

[0058] Based on the obtained first aging coefficient​ a second aging coefficient and a third aging coefficient By calculating the aging degree of the target SPD unit in different ways, different reference standards for monitoring and maintaining the target SPD unit are provided.

[0059] The surge protector aging degree real-time monitoring system calculates the aging degree caused by the environmental temperature, the environmental humidity, the lightning strike times and the lightning strike intensity on the target SPD unit respectively, and thus calculates the aging degree in different temperature ranges, the service time and the aging degree, the aging degree in different humidity ranges, the service time and the aging degree, and the relationship among the aging degree, the lightning strike times and the lightning strike intensity, and quantitatively calculates the aging degree of the target SPD unit, which facilitates the real-time monitoring of the aging degree of the SPD unit and provides different reference standards for monitoring and maintaining the SPD unit.

[0060] In one embodiment, the surge protector aging degree real-time monitoring system further comprises a client, which is configured to display the aging degree of the target SPD unit according to a data display instruction. The data display instruction can be input by a user and includes a first display instruction, a second display instruction and a third display instruction.

[0061] When the client obtains the first display instruction, the maximum value of the first aging coefficient , the second aging coefficient and the third aging coefficient is displayed.

[0062] When the client obtains the second display instruction, the average value of the first aging coefficient , the second aging coefficient and the third aging coefficient is displayed.

[0063] When the client obtains the third display instruction, the cumulative value of the first aging coefficient , the second aging coefficient and the third aging coefficient is displayed.

[0064] By setting different display instructions, the aging degree obtained by different calculation methods can be displayed according to the specific display requirements of the user, so as to facilitate the monitoring and maintenance of the target SPD unit.

[0065] In one embodiment, as shown in Figure 1 , the present application further provides a surge protector aging degree real-time monitoring method, which comprises the following steps:

[0066] S1, obtaining a first aging coefficient according to the ambient temperature where the target SPD unit is located .

[0067] S2, obtaining a second aging coefficient according to the ambient humidity where the target SPD unit is located .

[0068] S3, obtaining a third aging coefficient according to the number of lightning strikes and the lightning strike intensity suffered by the target SPD unit .

[0069] S4, calculating the aging degree of the target SPD unit according to the first aging coefficient , the second aging coefficient , and the third aging coefficient .

[0070] Specifically, in step S1, the method for obtaining the first aging coefficient according to the ambient temperature where the target SPD unit is located includes the following steps:

[0071] S10, collecting the ambient temperature where the target SPD unit is located at a first preset frequency to obtain a plurality of ambient temperature values , classifying the plurality of ambient temperature values according to a plurality of different preset temperature ranges, and respectively calculating the total use time of the classified plurality of ambient temperature values .

[0072] S11, obtaining a first function curve between use time and aging degree of a standard SPD unit at different temperature ranges . Different temperature ranges correspond to different first function curves .

[0073] S12, calculating the first aging coefficient according to the total use time of the classified plurality of ambient temperature values and the first function curve .

[0074] Preferably, in step S11, the method for obtaining the first function curve between use time and aging degree of the standard SPD unit at different temperature ranges includes the following steps: making the standard SPD unit be in the same temperature range, obtaining a plurality of different use times of the standard SPD unit and aging degree values corresponding to the plurality of different use times, and obtaining the first function curve between use time and aging degree after fitting the plurality of different use times and the corresponding aging degree values .

[0075] The real-time monitoring method for the aging degree of surge protectors can calculate the aging degree of different temperature ranges, usage time, and aging degree to a certain extent. There are also different relationships between different frequency of lightning strikes, lightning strike intensity, and aging degree. It quantifies the aging degree of the target SPD unit, which facilitates real-time monitoring of the aging degree of the SPD unit and provides a variety of different reference standards for the monitoring and maintenance of SPD units.

[0076] In one embodiment, the real-time monitoring method for the aging degree of the surge protector further includes the following steps:

[0077] The client retrieves and displays the data.

[0078] The client displays the aging level of the target SPD unit based on the data display instructions.

[0079] The display instructions include a first display instruction, a second display instruction, and a third display instruction.

[0080] By setting different display commands, the aging degree obtained by different calculation methods can be displayed according to the user's specific display needs, so as to view the aging degree of the target SPD unit and facilitate the monitoring and repair of the target SPD unit.

[0081] In some cases, the degree of aging caused by the same ambient humidity at different ambient temperatures will vary for the target SPD unit; similarly, the degree of aging caused by the same ambient temperature at different ambient humidity levels will also vary for the target SPD unit.

[0082] To improve the accuracy of calculating the aging degree of the target SPD unit, the real-time monitoring method for the aging degree of the surge protector further includes the following steps:

[0083] Obtain ambient temperature value Below, the ambient humidity value of the target SPD unit's environment is used to obtain a compensation factor. ;

[0084] Based on multiple environmental temperature values ​​after classification Total usage time Compensation factor and the first function curve Calculate the first aging factor .

[0085] Specifically, compensation factors are obtained based on ambient humidity. The specific method includes the following steps:

[0086] The plurality of standard SPD units are placed under the same standard ambient temperature value, and the plurality of standard different SPD units are placed under the standard ambient humidity value and different other ambient humidity values to work for a preset time, to obtain the aging degree value under the standard ambient humidity value and the aging degree value under the other ambient humidity values, and the compensation factor corresponding to a certain ambient humidity value , that is, the ratio value between the aging degree corresponding to a certain ambient humidity value and the aging degree under the standard humidity value.

[0087] Similarly, the surge protector aging degree real-time monitoring method also includes the following steps:

[0088] Obtain the ambient humidity value Next, the ambient temperature value of the environment in which the target SPD unit is located, and obtain the compensation factor according to the ambient temperature value

[0089] According to the total use time of the classified plurality of ambient humidity values , the compensation factor , and the second function curve , the second aging coefficient is calculated.

[0090] Specifically, the specific method for obtaining the compensation factor according to the ambient humidity value includes the following steps:

[0091] The plurality of standard SPD units are placed under the same standard ambient temperature value, and the plurality of standard different SPD units are placed under the standard ambient temperature value and different other ambient temperature values to work for a preset time, to obtain the aging degree value under the standard ambient temperature value and the aging degree value under the other ambient temperature values, and the compensation factor corresponding to a certain ambient temperature value , that is, the ratio value between the aging degree corresponding to a certain ambient temperature value and the aging degree under the standard temperature value.

[0092] By obtaining the compensation factor and , the influence of the ambient temperature and humidity on the aging degree of the target SPD unit is considered, and the accuracy of the aging degree calculation of the target SPD unit can be improved.

[0093] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not exist, they should be considered as within the scope of the present disclosure.

[0094] ​​The above embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the patent. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, several modifications and improvements can be made, which are within the scope of protection of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A real-time monitoring system for the aging degree of surge protectors, characterized in that, The surge protector aging real-time monitoring system includes: The first acquisition module is used to obtain the first aging coefficient based on the ambient temperature of the target SPD unit. ; The second acquisition module is used to obtain the second aging coefficient based on the ambient humidity of the target SPD unit. ; The third acquisition module is used to obtain the third aging coefficient based on the number of lightning strikes and the intensity of the lightning strikes suffered by the target SPD unit. ; The aging calculation module is used to calculate based on the first aging factor. Second aging coefficient And the third aging factor is used to calculate the aging degree of the target SPD unit; The specific steps to obtain the first aging factor are as follows: Obtain ambient temperature value Below, the ambient humidity value of the target SPD unit's environment is used to obtain a compensation factor. ; Based on multiple environmental temperature values ​​after classification Total usage time Compensation factor and the first function curve Calculate the first aging factor ; in, The first function curve representing the relationship between service time and aging degree of a standard SPD unit at different temperature ranges; The specific steps to obtain the second aging factor are as follows: Obtain ambient humidity value Below, the ambient temperature value of the environment where the target SPD unit is located is used to obtain the compensation factor. ; Based on multiple environmental humidity values ​​after classification Total usage time Compensation factor and the second function curve Calculate the second aging factor ; in, This represents the second function curve showing the relationship between usage time and aging degree of a standard SPD unit at different humidity ranges.

2. The surge protector aging real-time monitoring system as described in claim 1, characterized in that, The real-time monitoring system for the aging status of surge protectors also includes: The fourth acquisition module is used to acquire the first function curve of the relationship between usage time and aging degree of a standard SPD unit at different temperature ranges. ; The fifth acquisition module is used to acquire the second function curve of the relationship between usage time and aging degree of a standard SPD unit under different humidity ranges. ; The sixth acquisition module is used to acquire the third aging degree of the standard SPD unit corresponding to different lightning strike intensities.

3. The surge protector aging real-time monitoring system as described in claim 2, characterized in that, The real-time monitoring system for the aging status of surge protectors also includes: The client is used to display the aging level of the target SPD unit based on the data display instructions; The data display instructions include a first display instruction, a second display instruction, and a third display instruction.

4. A method for real-time monitoring of the aging degree of a surge protector, applied to the real-time monitoring system for the aging degree of a surge protector as described in any one of claims 1-3, characterized in that, The method for real-time monitoring of the aging degree of surge protectors includes the following steps: The first aging factor is obtained based on the ambient temperature of the target SPD unit; The second aging factor is obtained based on the ambient humidity of the target SPD unit. The third aging factor is obtained based on the number of lightning strikes and the intensity of the lightning strikes suffered by the target SPD unit; The aging degree of the target SPD unit is calculated based on the first aging factor, the second aging factor, and the third aging factor. The real-time monitoring method for the aging degree of surge protectors also includes the following steps: Obtain ambient temperature value Below, the ambient humidity value of the target SPD unit's environment is used to obtain a compensation factor. ; Based on multiple environmental temperature values ​​after classification Total usage time Compensation factor and the first function curve Calculate the first aging factor ; Obtain ambient humidity value Below, the ambient temperature value of the environment where the target SPD unit is located is used to obtain the compensation factor. ; Based on multiple environmental humidity values ​​after classification Total usage time Compensation factor and the second function curve Calculate the second aging factor .

5. The method for real-time monitoring of the aging degree of a surge protector as described in claim 4, characterized in that, The specific method for obtaining the first function curve of the relationship between usage time and aging degree of a standard SPD unit at different temperature ranges includes the following steps: By placing standard SPD units within the same temperature range, multiple different usage times of the standard SPD units and the aging degree values ​​corresponding to these different usage times are obtained. After fitting the data to multiple different usage times and corresponding aging levels, the first function curve relating usage time and aging level was obtained. .

6. The method for real-time monitoring of the aging degree of a surge protector as described in claim 5, characterized in that, The real-time monitoring method for the aging degree of surge protectors also includes the following steps: The client retrieves the data display command; The client displays the aging level of the target SPD unit based on the data display instructions; The display instructions include a first display instruction, a second display instruction, and a third display instruction.

7. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, implements the real-time monitoring method for the aging degree of a surge protector as described in any one of claims 4-6.

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